*{margin:0;padding:0;box-sizing:border-box}body{background:#0a0a0a;color:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;overflow:hidden;width:100vw;height:100vh}#canvas{position:fixed;inset:0;width:100%;height:100%}#dropzone{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#0a0a0a;z-index:10;transition:opacity .3s}#dropzone.drag-over{background:#0a0a0ae6}#dropzone.drag-over .dropzone-inner{border-color:#4af;color:#4af}.dropzone-inner{border:2px dashed #333;border-radius:16px;padding:60px 80px;text-align:center;transition:border-color .2s,color .2s;pointer-events:none}.dropzone-icon{font-size:64px;margin-bottom:16px;opacity:.4}.dropzone-inner p{font-size:18px;color:#888;margin-bottom:8px}.dropzone-inner p strong{color:#ccc}.dropzone-sub{font-size:14px!important}.dropzone-sub label{color:#4af;cursor:pointer;pointer-events:all;text-decoration:underline}#file-input{display:none}#stats{position:fixed;top:12px;left:12px;display:flex;gap:12px;background:#00000080;backdrop-filter:blur(8px);border-radius:8px;padding:6px 12px;font-size:12px;font-family:SF Mono,Fira Code,monospace;color:#aaa;z-index:5}#stats span{white-space:nowrap}#camera-mode{position:fixed;top:12px;right:12px;display:flex;gap:4px;z-index:5}#camera-mode button{background:#00000080;backdrop-filter:blur(8px);border:1px solid #333;border-radius:6px;color:#888;padding:5px 12px;font-size:12px;cursor:pointer;transition:all .15s}#camera-mode button.active{background:#44aaff26;border-color:#4af;color:#4af}#btn-pivot-lock.locked{background:#ffa03226;border-color:#fa6;color:#fa6}#camera-mode button:hover:not(.active){border-color:#555;color:#ccc}#timeline{position:fixed;bottom:0;left:0;right:0;display:flex;align-items:center;gap:10px;padding:10px 16px;background:#000000a6;backdrop-filter:blur(8px);z-index:5}#timeline button{background:none;border:none;color:#aaa;font-size:16px;cursor:pointer;padding:2px 4px;line-height:1;transition:color .15s}#timeline button:hover{color:#fff}#tl-scrubber-wrap{position:relative;flex:1;height:20px;display:flex;align-items:center}#tl-scrubber{width:100%;position:relative;z-index:1;accent-color:#4af;cursor:pointer}#tl-progress{position:absolute;left:0;top:50%;transform:translateY(-50%);height:3px;width:0%;background:#44aaff59;border-radius:2px;pointer-events:none;transition:width .2s}#tl-progress.done{background:#44aaff26}#tl-counter{font-size:12px;font-family:SF Mono,Fira Code,monospace;color:#888;white-space:nowrap;min-width:80px;text-align:right}.hidden{display:none!important}