html,body,#app{width:100%;height:100%;margin:0}body{overflow:hidden;background:#111418;color:#e6edf3;font-family:Inter,Arial,sans-serif}.cad-viewer-shell{width:100%;height:100%;display:grid;grid-template-rows:44px minmax(0,1fr);background:#111418}.cad-viewer-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 10px 0 14px;border-bottom:1px solid #29313a;background:#171c22}.cad-viewer-title{min-width:0;display:flex;align-items:baseline;gap:10px}.cad-viewer-title-main{min-width:0;max-width:62vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:650}.cad-viewer-title-sub{color:#9aa8b5;font-size:12px}.cad-icon-button{height:28px;min-width:42px;border:1px solid #3c4753;border-radius:4px;background:#202833;color:#d8e2ec;font-size:12px;font-weight:650}.cad-icon-button:disabled{opacity:.45}.cad-viewer-host{min-width:0;min-height:0;position:relative}.cad-viewer-host>*{width:100%;height:100%}.cad-viewer-error{position:absolute;inset:56px 14px auto;padding:10px 12px;border:1px solid #8a3c3c;border-radius:4px;background:#351c1f;color:#ffd8d8;font-size:13px}