.background-editor{min-width:0;min-height:0;height:100%;display:grid;grid-template-rows:46px minmax(0,1fr);overflow:hidden;background:#0f1116}.background-toolbar{display:flex;align-items:center;gap:8px;padding:7px 10px;border-bottom:1px solid var(--line);background:#15181f}.background-toolbar-spacer{flex:1}.background-count{font-size:10px;color:#6f7886}.background-editor-body{min-width:0;min-height:0;display:grid;grid-template-columns:220px minmax(0,1fr);overflow:hidden}.background-list-panel{min-width:0;min-height:0;border-right:1px solid var(--line);background:#12151b;display:flex;flex-direction:column}.background-list{padding:8px;overflow:auto}.background-list-item{width:100%;display:flex;align-items:center;gap:8px;border:0;background:transparent;color:#aeb6c3;border-radius:8px;padding:9px;text-align:left;cursor:pointer}.background-list-item:hover{background:#1d2129;color:#fff}.background-list-item.selected{background:#25203e;color:#eee9ff}.background-list-item strong,.background-list-item small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.background-list-item strong{font-size:11px}.background-list-item small{margin-top:3px;color:#6f7886;font-size:9px}.background-state-dot{width:8px;height:8px;flex:0 0 8px;border-radius:50%;background:#7c5cff}.background-list-empty{padding:18px 10px;color:#56606d;font-size:10px;text-align:center}.background-preview-area{position:relative;min-width:0;min-height:0;overflow:auto;background-color:#0c0f13;background-image:linear-gradient(45deg,#12161c 25%,transparent 25%),linear-gradient(-45deg,#12161c 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#12161c 75%),linear-gradient(-45deg,transparent 75%,#12161c 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}.background-editor-empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px}.background-editor-empty>span{width:54px;height:54px;display:grid;place-items:center;border:1px solid #2c333d;border-radius:14px;background:#151920;color:#6d7786;font-size:20px}.background-editor-empty h2{margin:14px 0 0;font-size:15px}.background-editor-empty p{margin:6px 0 14px;color:#687280;font-size:10px}.background-preview-pane{min-width:100%;min-height:100%;padding:28px;display:flex;align-items:flex-start;justify-content:flex-start}.background-preview-pane img{display:block;max-width:none;max-height:none;box-shadow:0 16px 50px rgba(0,0,0,.35);outline:1px solid rgba(255,255,255,.08)}.background-inspector-check{display:flex!important;grid-template-columns:none!important;gap:8px!important;align-items:center!important}.background-inspector-check input{width:auto!important}.background-delete{color:#d78d97!important}.background-delete:hover{background:#332126!important;color:#ffd9df!important}@media(max-width:1100px){.background-editor-body{grid-template-columns:180px minmax(0,1fr)}}