:root{font-family:Arial,Helvetica,sans-serif;color:#202020;background:#c3ccc7;font-synthesis:none}*{box-sizing:border-box}body{margin:0;overflow:hidden}[hidden]{display:none!important}#scene{position:fixed;inset:0;width:100%;height:100%;display:block}header{position:fixed;top:20px;right:20px;z-index:2}.tools{display:flex;gap:8px}button,.button{font:inherit;font-size:14px;line-height:1.4;padding:10px 14px;border:1px solid #aaa;border-radius:2px;color:#222;background:#f5f5f5;cursor:pointer}button:hover,.button:hover{background:#e5e5e5}button:focus-visible,.button:focus-within,input:focus-visible{outline:2px solid #222;outline-offset:3px}button:disabled{opacity:.45;cursor:wait}.button{display:inline-block}.button input{position:absolute;width:1px;height:1px;opacity:0}#panel,#settings{width:min(380px,calc(100vw - 32px));max-height:calc(100dvh - 32px);overflow-y:auto;padding:24px;border:1px solid #999;border-radius:3px;background:#f5f5f5;color:#202020;box-shadow:0 3px 12px #0003}#panel{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2}h1,h2{font-size:20px;line-height:1.3;font-weight:600;margin:0 0 20px}.controls{margin:0 0 24px;border-top:1px solid #ccc}.controls div{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid #ccc;font-size:14px;line-height:1.4}.controls dt{font-weight:600}.controls dd{margin:0;color:#555;text-align:right}.primary,.secondary{display:block;width:100%;margin-top:8px;text-align:center}.primary{color:#fff;background:#333;border-color:#333}.primary:hover{background:#111}kbd{font:12px monospace;margin-left:8px;color:#666}#settings::backdrop{background:#0006}.sensitivity-label{display:flex;justify-content:space-between;gap:16px;font-size:14px}#sensitivity{width:100%;margin:18px 0 4px;accent-color:#444;cursor:pointer}.controls-help{font-size:13px;line-height:1.7;color:#555;margin:16px 0 24px}#walk-bar{position:fixed;right:20px;bottom:20px}#walk-bar button{font-size:12px;padding:8px 12px}#crosshair{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);color:#fff8;font-size:20px;text-shadow:0 0 3px #000;pointer-events:none}#status{display:none;position:fixed;left:50%;bottom:72px;transform:translate(-50%);width:max-content;max-width:calc(100vw - 32px);padding:10px 14px;border:1px solid #555;border-radius:2px;color:#fff;background:#333;font-size:13px;line-height:1.5;z-index:5}#status.visible{display:block}#status.error{background:#772b2b}#drop{position:fixed;inset:16px;border:2px dashed #888;background:#eee;color:#222;place-content:center;text-align:center;font-size:22px;z-index:10;pointer-events:none}#drop:not([hidden]){display:grid}#drop span{display:block;font-size:14px;margin-top:12px}body.walking header{visibility:hidden}body.walking #scene{cursor:none}body.walking.drag-look #scene{cursor:grab}body.walking.drag-look #scene:active{cursor:grabbing}@media(max-width:480px){#panel,#settings{padding:20px}.controls div{font-size:13px;gap:12px}#walk-bar{right:16px;bottom:16px}}