*{margin:0}bim-viewport{height:100vh}bim-panel{max-height:100vh}#loading-container{position:fixed;display:flex;justify-content:center;align-items:center;width:100vw;height:100vh}#loading-icon{border:8px solid #f3f3f3;border-top:8px solid #3498db;border-radius:50%;width:60px;height:60px;animation:spin 2s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}