#view3d-container{position:absolute;top:0;left:0;width:100%;height:100%;z-index:10;outline:none}#model-progress-indicator{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;background-color:#00000080;padding:10px 20px;border-radius:5px;font-family:sans-serif;font-size:18px;display:none;z-index:20}#canvas{position:absolute;top:0;left:0;width:100%;height:100%;cursor:crosshair;z-index:10}.marker{position:absolute;width:24px;height:24px;border-radius:50%;background-color:#ff000080;pointer-events:none;z-index:20}#hint{position:absolute;bottom:10px;left:50%;transform:translate(-50%);background:#000000b3;color:#fff;padding:6px 12px;border-radius:4px;font-size:14px;pointer-events:none;z-index:30}#chat-container{width:100%;height:100%;background-color:#333;display:flex;flex-direction:column;overflow:hidden;box-sizing:border-box}.chat-messages{flex:1;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:8px;min-height:0}.message{padding:6px 10px;border-radius:12px;max-width:85%;word-wrap:break-word;font-size:14px;color:#222;font-weight:500}.message.self{align-self:flex-end;background-color:#2196f3}.message.remote{align-self:flex-start;background-color:#555}.chat-input-area{display:flex;padding:10px;border-top:1px solid #444;background-color:#2a2a2a;box-sizing:border-box}.chat-input{flex:1;min-width:0;padding:8px;border:none;border-radius:4px;margin-right:8px;background-color:#ffffffe6;box-sizing:border-box}.chat-send-btn{padding:8px 12px;cursor:pointer;border:none;border-radius:4px;background-color:#4caf50;color:#fff;font-weight:700;white-space:nowrap}.layout-container{display:flex;flex-direction:column;height:100vh;width:100%}.layout-topbar{padding:10px 20px;background-color:#333;color:#fff;display:flex;align-items:center;flex-shrink:0}.layout-back-link{color:#fff;text-decoration:none;font-weight:700}.layout-content{flex:1;position:relative;overflow:hidden}.layout-resizer{width:6px;cursor:col-resize;background-color:#222;border-left:1px solid #333;border-right:1px solid #333;flex-shrink:0;transition:background-color .2s}.layout-resizer:hover{background-color:#444}