body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;background:#bfe4ff;color:#0b1020}
.topbar{position:fixed;left:0;right:0;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:rgba(255,255,255,.55);backdrop-filter:blur(10px);border-bottom:1px solid rgba(0,0,0,.08)}
.brand{font-weight:950}
.score{font-weight:950}
.gameWrap{padding-top:54px;display:flex;justify-content:center;position:relative}
canvas{width:min(100vw, 1100px);height:auto;border-radius:22px;box-shadow:0 26px 90px rgba(0,0,0,.25);border:1px solid rgba(0,0,0,.08);background:#fff}
.overlay{position:absolute;left:0;right:0;top:54px;display:flex;justify-content:center;pointer-events:auto}
.panel{width:min(92vw,520px);margin-top:70px;border-radius:26px;padding:16px 16px 14px;background:rgba(15,30,60,.72);color:#fff;border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(14px);box-shadow:0 30px 120px rgba(0,0,0,.35);text-align:center}
.title{font-size:26px;font-weight:1000;letter-spacing:.3px}
.sub{margin-top:8px;color:rgba(255,255,255,.85);font-weight:800;line-height:1.45}
#startBtn{margin-top:14px;width:100%;padding:12px 14px;border-radius:18px;border:0;background:linear-gradient(135deg,#7c5cff,#ffd35a);color:#0b1020;font-weight:1000;font-size:16px;cursor:pointer}
#startBtn:hover{filter:brightness(1.03)}
.hint{margin-top:10px;font-weight:900;font-size:12px;color:rgba(255,255,255,.75)}