:root{--ad-container-bg: #f8f9fa}body{background-color:#f5f7fb}#layersContainer .layer-item{padding:1rem;margin-bottom:.5rem;background:#fff;border:1px solid #e9ecef;border-radius:4px;transition:all .2s ease}#layersContainer .layer-item:hover{border-color:#206bc4;box-shadow:0 1px 3px #206bc41a}#layersContainer .layer-item .layer-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}#layersContainer .layer-item .layer-title{font-weight:600;font-size:.875rem}#layersContainer .layer-item .layer-actions button{padding:.25rem .5rem;font-size:.75rem}#layersContainer .layer-item .layer-preview{font-size:.75rem;color:#6c757d;font-family:monospace}#previewContainer{position:relative}#adPreviewIframe{border:1px solid #e9ecef;border-radius:4px}.sticky-top{z-index:10}.animation-badge{display:inline-block;padding:.25rem .5rem;font-size:.75rem;background:#e8f4f8;color:#0ca678;border-radius:3px;margin-left:.5rem}.loading{opacity:.6;pointer-events:none}.loading:after{content:"";position:absolute;top:50%;left:50%;width:1.5rem;height:1.5rem;margin:-.75rem 0 0 -.75rem;border:2px solid #f3f3f3;border-top:2px solid #206bc4;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}