*{box-sizing:border-box}body{margin:0;background:#111827;color:#fff;font-family:system-ui,-apple-system,"Segoe UI","PingFang SC",sans-serif;overflow:hidden}#gameContainer{position:relative;width:100vw;height:100vh;background:linear-gradient(135deg,#111827,#1f2937)}#gameCanvas{display:block;width:100%;height:100%}.menu,.modal{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(92vw,480px);background:rgba(17,24,39,.92);border:1px solid rgba(255,255,255,.18);border-radius:18px;padding:28px;text-align:center;box-shadow:0 22px 60px rgba(0,0,0,.36)}h1,h2,h3{margin:0 0 14px}p{color:#d1d5db}button{margin:8px;padding:10px 18px;border:0;border-radius:10px;background:#fff;color:#111827;font-weight:700;cursor:pointer}button:hover{background:#e5e7eb}.hidden{display:none!important}#gameHUD{position:absolute;left:16px;right:16px;top:16px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}.hud-item{background:rgba(17,24,39,.72);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:8px 12px}.label{font-size:12px;color:#9ca3af;display:block}.value{font-weight:800}.modal-content{background:#fff;color:#111827;border-radius:16px;padding:22px}.modal-content p{color:#374151}.answer-btn{display:block;width:100%;background:#111827;color:white}.stats p{margin:8px 0}ul{text-align:left;color:#d1d5db;line-height:1.8}