*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body,#app{width:100%;height:100%;overflow:hidden;touch-action:none;background:#87ceeb;font-family:system-ui,-apple-system,sans-serif}#game{display:block;width:100%;height:100%}#hud{position:fixed;top:12px;left:12px;color:#fff;font-size:14px;font-weight:600;text-shadow:0 1px 3px rgba(0,0,0,.6);pointer-events:none;line-height:1.5}#hint{position:fixed;bottom:12px;left:50%;transform:translate(-50%);color:#ffffffd9;font-size:12px;text-shadow:0 1px 3px rgba(0,0,0,.6);pointer-events:none;white-space:nowrap}.touch-only{display:none}.desktop-only{display:block}@media(pointer:coarse),(max-width:768px){.touch-only{display:block}.desktop-only{display:none}}#controls{position:fixed;inset:0;pointer-events:none}#joystick-zone{position:absolute;left:24px;bottom:24px;width:120px;height:120px;border-radius:50%;background:#ffffff26;border:2px solid rgba(255,255,255,.35);pointer-events:auto}#joystick-knob{position:absolute;left:50%;top:50%;width:48px;height:48px;margin-left:-24px;margin-top:-24px;border-radius:50%;background:#ffffff8c;border:2px solid rgba(255,255,255,.8)}#throttle-zone{position:absolute;right:24px;bottom:24px;display:flex;flex-direction:column;gap:12px;pointer-events:auto}#throttle-zone button{width:56px;height:56px;border:2px solid rgba(255,255,255,.5);border-radius:12px;background:#fff3;color:#fff;font-size:20px;cursor:pointer}#throttle-zone button:active{background:#ffffff73}