*{box-sizing:border-box}
body,html{height:100%;margin:0;font-family:Inter,Arial,Helvetica,sans-serif;background:#071026}
#gameContainer{width:100%;height:70vh}
#uiOverlay{position:relative;padding:12px;color:#fff;max-width:980px;margin:12px auto}
#questionBox{background:rgba(255,255,255,0.04);padding:12px;border-radius:8px;margin-bottom:8px}
.choiceBtn{display:block;background:rgba(255,255,255,0.03);color:#e6eef6;padding:10px;margin:6px 0;border-radius:8px;border:1px solid rgba(255,255,255,0.03);cursor:pointer}
.choiceBtn.correct{outline:3px solid rgba(16,185,129,0.15)}
.choiceBtn.wrong{outline:3px solid rgba(239,68,68,0.15)}
#scoreBox{margin-top:8px}
#btnHome{position:absolute;right:12px;top:12px;padding:6px 10px;border-radius:8px}